Čeleď: Bythitidae Gill, 1861 — jeskyňovkovití
Rod: Grammonus Gill, 1896
Randall, J.E. & M.J. Hughes. 2008. Grammonus nagaredai, a New Viviparous Marine Fish (Ophidiiformes: Bythitidae) from the Hawaiian Islands. Pacific Science, 63 (1) [2009]: 137-146.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.